Mechanical Seals

Type N11 / U11

Diaphragm Seals

Single spring, rubber diaphragm seal, similar to Type 11/22, but with reduced O.D. (D3) to give full ANSI seal chamber compatibility.

Type N11 with a resilient elastomer mounted face is the preferred design supplied up to its design limit of 2.000” / 50 mm.

Type U11 features a retainer lug driven face and is the preferred design for all sizes above 50mm/2.000".

Also available as assembly Type N11J or U11J with a Type 31 centrally ‘O’-Ring mounted seat to fit same housing sizes and working lengths.

Features

  • Single spring, rubber diaphragm Seal
  • Resilient elastomer mounted face
  • To suit ANSI/DIN Seal profile compatibility

Operating Limits

  • Temperature: -30°C to +150°C
  • Pressure: Up to 12.6 bar (180 psi)
  • For full Performance Capabilities please download data sheet

Limits are for guidance only. Product performance is dependent on materials and other operating conditions.

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